Home / 27,885.52-38,486.64-17,818.93

Finding the Fourth Proportional to 27,885.52, 38,486.64 and 17,818.93

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Solution

The fourth proportional to 27,885.52, 38,486.64 and 17,818.93 is: 24,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.52 : 38,486.64 = 17,818.93 : x
  2. Step 2: Convert to fraction form
    27,885.52/38,486.64 = 17,818.93/x
  3. Step 3: Cross multiply
    27,885.52x = 38,486.64 × 17,818.93
  4. Step 4: Simplify right side
    27,885.52x = 685,790,744.10
  5. Step 5: Solve for x
    x = 685,790,744.10/27,885.52
  6. Step 6: Final answer
    x = 24,593.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.